Union County · court code 2021
Winfield Township Municipal Court
Winfield visitors should call before traveling and follow the case notice for the hearing venue and calendar.
Court directory
Winfield Township Municipal Court contact information
Court information
Court code: 2021
County: Union County
Court address: 12 GULFSTREAM AVE, WINFIELD NJ 07036
Phone: 908-925-3937
Court fax: 908-925-4526
Published court sessions: ONCE PER MONTH ON A TUESDAY
Published office or service hours: MON - FRI 9:00-4:00
Published court officials
Judge: Susan MacMullan
Municipal prosecutor: Dominick DiYanni (Municipal Prosecutor).
Sources for these facts
Court code, county, address listed in the judiciary roster, court days, and office hours: State List of Municipal Courts (dated August 31, 2026).
Phone, fax, and judges: Winfield Municipal Court (checked September 5, 2026).
Prosecutor appointments: Winfield directory (checked September 5, 2026).
Before your appearance
Planning for Winfield Township Municipal Court
Confirm the venue and current format
Call 908-925-3937 or fax 908-925-4526. Susan MacMullan is the judge and Dominick DiYanni is the prosecutor. Sources: Phone, fax, judges, and appearance instructions: Winfield Municipal Court (checked September 5, 2026) · Prosecutor appointments: Winfield directory (checked September 5, 2026) · Appearance instructions: State List of Municipal Courts (checked September 5, 2026).
Call the displayed court number and follow the case notice for the hearing venue, session date, office availability and appearance format. Sources: court directory: State List of Municipal Courts (roster dated August 31, 2026) · Appearance instructions: Winfield Municipal Court (checked September 5, 2026) · Appearance instructions: State List of Municipal Courts (checked September 5, 2026).
Details to confirm with the court
Confirm the hearing venue, office hours and appearance format with the court.
Before an appearance
Use the current notice and the actual charge
Keep the summons or complaint, later notices, and relevant records together. Check the court code, case or ticket number, date, and whether the notice requires an in-person or virtual appearance. For evidence requests and timing, use the municipal-court discovery and adjournments guide; for the charge itself, start with the traffic-defense overview, DWI guide, or criminal-defense overview.
Published addresses and calendars can change or may describe an office rather than the hearing instructions for one case. Follow the latest notice and call the court if it conflicts with this page.
NJMCDirect lists eligible payment options, but paying can resolve a charge as a guilty plea. Understand the effect before using payment to dispose of a case.
Court directory
Other Union court guides
See all 21 Union County court codes and guides.
Court code 2020
Westfield Town Municipal Court
Court code 2019
Union Township Municipal Court
Court code 2018
Summit City Municipal Court
Court code 2017
Springfield Township Court
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Sources checked September 5, 2026: State List of Municipal Courts (checked September 5, 2026); Winfield Municipal Court (checked September 5, 2026); Winfield directory (checked September 5, 2026). Laws and court instructions can change; this page is general information, not legal advice for a specific case.